5621836 has 24 divisors (see below), whose sum is σ = 10898496. Its totient is φ = 2515920.

The previous prime is 5621827. The next prime is 5621857. The reversal of 5621836 is 6381265.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 5621798 and 5621807.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1995 + ... + 3901.

It is an arithmetic number, because the mean of its divisors is an integer number (454104).

Almost surely, 2^5621836 is an apocalyptic number.

It is an amenable number.

5621836 is a deficient number, since it is larger than the sum of its proper divisors (5276660).

5621836 is a wasteful number, since it uses less digits than its factorization.

5621836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1989 (or 1987 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 5621836 is about 2371.0411215329. The cubic root of 5621836 is about 177.8113137544.

The spelling of 5621836 in words is "five million, six hundred twenty-one thousand, eight hundred thirty-six".